91674029 has 2 divisors, whose sum is σ = 91674030. Its totient is φ = 91674028.

The previous prime is 91674019. The next prime is 91674053. The reversal of 91674029 is 92047619.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86452804 + 5221225 = 9298^2 + 2285^2 .

It is an emirp because it is prime and its reverse (92047619) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91674029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91673983 and 91674001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91674019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45837014 + 45837015.

It is an arithmetic number, because the mean of its divisors is an integer number (45837015).

Almost surely, 2^91674029 is an apocalyptic number.

It is an amenable number.

91674029 is a deficient number, since it is larger than the sum of its proper divisors (1).

91674029 is an equidigital number, since it uses as much as digits as its factorization.

91674029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 91674029 is about 9574.6555551623. The cubic root of 91674029 is about 450.9019424543.

The spelling of 91674029 in words is "ninety-one million, six hundred seventy-four thousand, twenty-nine".